Check Wyoming gas prices today for regular, mid-grade, premium, and diesel fuel. The price tool below shows AAA-sourced daily averages, recent price movement, and a fill-up cost estimate for drivers across the Equality State.
What Affects Wyoming Gas Prices?
- Local oil and gas production in the Powder River Basin impacting regional supply and heavy diesel demand
- Extreme winter cold requiring specialized winter fuel blends and anti-gel diesel additives
- Long delivery distances to remote, rural communities across the high plains and mountainous regions
- Heavy commercial trucking, mining freight, and agricultural transport along the I-80 and I-25 corridors
- Seasonal tourism and RV travel heading to Yellowstone and Grand Teton National Parks
- Wyoming’s relatively low state motor fuel tax compared to national averages
Wyoming Gas Prices by Fuel Type
- Regular: The standard baseline fuel for most daily commuters and passenger vehicles.
- Mid-grade: Recommended for older high-compression engines or vehicles towing campers through steep mountain passes.
- Premium: Necessary for luxury, turbocharged, or high-performance vehicles to prevent engine knocking at high elevations.
- Diesel: Tracks closely with commercial freight, mining operations, agricultural transport, and heavy-duty trucking across the state.
Wyoming Gas Prices vs Nearby States
Regional borders in the Mountain West and Northern Plains create noticeable price shifts. When planning cross-state road trips, keep these comparisons in mind:
- Colorado gas prices and Utah gas prices often differ due to varying state taxes, Front Range supply conditions, and West Coast versus Rocky Mountain refinery access.
- Montana gas prices and South Dakota gas prices fluctuate based on their respective regional pipeline networks, rural transport costs, and local demand.
- Idaho gas prices and Nebraska gas prices may be lower or higher depending on daily supply routes and differing state fuel tax structures.
Tips for Getting Better Gas Prices in Wyoming
- Compare station prices in Cheyenne or Casper before heading onto remote stretches of I-80 or US-20.
- Fill up your tank before driving through sparse, rural areas in the Red Desert or near the Montana border.
- Check your tire pressure regularly, especially before tackling steep mountain grades or during extreme winter cold.
- Stick to regular unleaded unless your vehicle’s manufacturer explicitly requires premium.
- Plan your diesel stops carefully in winter; ensure stations offer winterized diesel to prevent fuel gelling.
- Avoid unnecessary idling to warm up your car; modern engines only need 30 seconds before driving in the cold.
Wyoming Gas Price FAQs
What is the average gas price in Wyoming today?
The current daily averages for regular, mid-grade, premium, and diesel are displayed in the dynamic tool at the top of this page.
Why do Cheyenne and Casper gas prices differ?
Cheyenne benefits from close proximity to Colorado Front Range distribution networks and high commuter density, while Casper relies on local refinery capacity and different regional pipeline supply routes.
Why can rural areas near Yellowstone cost more at the pump?
Stations in remote mountain towns and near national park entrances face less local competition and higher overhead costs for fuel delivery over long, difficult routes from major interstate distribution hubs.
Is diesel included in Wyoming gas price data?
Yes, the tool tracks Wyoming diesel prices alongside unleaded options, which is essential for commercial truckers, mining transport, agricultural fleets, and RV travelers navigating the state’s freight corridors.
Does Wyoming use special gasoline blends?
Wyoming generally uses standard federal EPA fuel blends, though specific winter-grade formulations and anti-gel diesel additives are strictly required during extreme cold snaps to prevent fuel line freezing and gelling.